MERCEDES-BENZ S-CLASS CABRIOLET 2017 Owners Manual

Displa
ymessages
Possible causes/consequences and M
MSolutions
ë Off *T
he HOLD function is deactivated because thev ehicle is skidding or acondition fora ctivation is no tmet. #
Reactivat ethe HOLD function later or checkt he activation conditions fort he HOLD function .
Active Distance Assist
available again *A
ctiveDistan ce Assi stDISTRONI Cisoperationa laga in and can be acti vated( →pag e178).
Active Distance Assist cur-
rently unavailable See Own-
er's Manual *A
ctiv eDistan ce Assi stistemp orarily una vailable.
The ambien tcondition sareoutside thes ystemb order s(→pag e176). #
Driv eon.
As soon as thea mbient conditions ar ewithin thes ystem borders, thes ystemw ill become available again.
Activ eDistance Assist inop-
erative *A
ctiveDistan ce Assi stis malfunctioning.
Other drivin gand drivin gsafet ys ystems ma yalso be malfunctioning. #
Consult aqualified specialis tworks hop.
Active Steering Assist cur-
rently unavailable See Own-
er's Manual *A
ctiv eSteering Assis tistemporaril yunavailable.
The ambien tcondition sareoutside thes ystemb order s(→pag e182). #
Driv eon.
As soo nasthe ambient conditions ar ewithin thes ystem borders, thes ystemw ill become available again. #
If necessar y,clean thew indscreen in thec amera's field of vision. 438
Displa ymessages and warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
Active Steering Assist inop-
erative *A
ctiveSteering Assis tismalfunctioning. ActiveD ista nce Assi stremains available. #
Consult aqualified specialis tworks hop.
Limiter passive *I
fyou depress thea ccelera torp eda lbeyo ndthep ressur epoint (kickdown), thel imiter is switched topassiv emode
(→ pag e174).
È ---km/h *T
he limiter canno tbeactivated as no tall activation conditions ha vebeen fulfilled. #
Obser vethea ctivation conditions of thel imiter .
Limiter inoperative *T
he limiter is malfunctioning. #
Consult aqualified specialis tworks hop.
¯ ---km/h *C
ruise control canno tbeactivated as no tall activation condition sarefulfilled. #
Obser vethea ctivation conditions forc ruisec ontrol .
Cruise control off *C
ruise control has been deactivated.
If th er eisana dditional warning tone, cruise control ha sbeens witched of fautomatically ( →pag e172).
Cruise control inoperative *C
ruise control is malfunctioning. #
Consult aqualified specialis tworks hop.
Cruise control and Limiter
inoperative *C
ruise control and thel imiter ar emalfunctioning. #
Consult aqualified specialis tworks hop. Displa
ymessages and warning/indicator lamps 439

Displa
ymessages
Possible causes/consequences and M
MSolutions
Speed limit (winter tyres)
XXX km/h *Y
ou ha vereached thes tore dm aximum speed forw inter tyres. It is no tpossible toexc eed this speed. Lowering
*T
hevehicle le velm aybe lo weredf or thef ollowing reasons:
R youh ave selected adiffe re nt driv eprogram.
R youh ave exceeded acritical speed.
R youh ave changed thev ehicle le velbyp ressing abutton. max. speed 35 km/h
*T
hevehicle has been se ttotranspo rtleve l.Tr anspor tleve lisn otap ermissible drivin gleve l. Onl ysuitable fort rans‐
porting thev ehicle. #
Do no tdrive fast erthan 35 km/h.
ð Maximum spee dexceeded *T
he maximum permissible speed has been exceeded (onl yfor cer tain countries). #
Driv emores lowl y. 440
Displaymessa gesa nd warning/indicator lamps

Engine
Displa
ymessages
Possible causes/consequences and M
MSolutions
Top up coolant See Own-
er’s Manual *T
he coolant le velist oo lo w.
* NO
TEEngine dama gedue toinsuf ficient coolant #
Avoid long journe yswit hinsuf ficient coolant. #
Addc oolant .
?
Coolant Stop vehicle
Switc hengin eoff *T
he coolant is tooh ot. #
Stop thev ehicle immediately ,paying attention toroad and traf ficc onditions ,and switc hoffthee ngine. &
WARNING Danger of bu rnsw hen opening theb onnet
If yo uo pen thee ngine bonn etwhen thee ngine has overheated or during afireint he engine compartment, you
could come int ocontact wi thhotg ases or other escaping operating fluids. #
Befor eopening theb onnet ,allowt he engine tocool down. #
Inthee vent of afireint he engine compartment, keep thee ngine bonn etclosed and cal lthe fire service. #
Wait until thee ngine has cooled down. #
Mak esuret hat thea ir supply tother adiator is no tobstructed. #
Avoiding high loads on thee ngine, driv eontothe neares tqualified specialis tworks hop. In doing so, ensur ethat
th ec oolant temp eratur edispla yremain sbelo w1 20 °C. Displ
aymessa gesa nd warning/indicator lamps 441

Displa
ymessages
Possible causes/consequences and M
MSolutions
? *T
hefanm otorisd efective. #
Avoiding high loads on thee ngine, driv eontothe neares tqualified specialis tworks hop. In doing so, ensur ethat
th ec oolant temp eratur edispla yremain sbelo w1 20 °C.
#
Stop vehicle See Owner's
Manual *T
he batter yisnolonger being charge da nd theb atter ychar geleve list oo lo w.
* NO
TEPossible engine damag eifyou continue driving #
Do no tcontin ue drivin gunder an ycircum stances. #
Consult aqualified specialis tworks hop. #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances. #
Switc hoffthee ngine. #
Consult aqualified specialis tworks hop.
# Start engine See Owner's
Manual *T
he engine is of fand theb atter ychar geleve list oo lo w. #
Switc hoffelectrica lconsumer sthat ar enotrequ ired. #
Lea vethee ngine running foraf ewminutes, or driv efor alonger dis tance.
The batter ychar ges. 442
Displaymessa gesa nd warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
# Stop vehicle Leave engine
running *T
he batter ychar geleve list oo lo wand mus tbecharged. #
Pull overand stop thev ehicle safely as soon as possible, paying attention toroad and traf ficc onditions .Donot
continu edriving under an ycircums tances. #
Lea veengine running. #
Wait until thed ispla ymessag edisappear sbefor epulling away.
4 Chec keng.o il lev. when
next refuelling *T
he engine oil le velh as dropped tothem inimum le vel.
* NO
TEEngine dama gecaused bydriving wit hinsuf ficient engine oil #
Avoid long journe yswit hinsuf ficient engine oil. #
Chec kthe engine oil le velw hen next refuelling.
To pupt he engine oil (→ page349).
No tesone ngine oil (→ page412).
8 Reserve fuel level *T
he fuel suppl yhas dropped int othe reser verange. #
Refuel. Displ
aymessa gesa nd warning/indicator lamps 443

Ty
res Displa
ymessages
Possible causes/consequences and M
MSolutions
Tyre pressure Check tyres *T
he tyr epressur eloss warning sy stem has de tected asignificant los sinpressure. &
WARNING Risk of an accident du etoinsufficient tyr epressure
Ty resw ithi nsuf ficient tyr epressur eposet he following risks:
R The tyres ma yburst,e speciall yasthe load and vehicle speed increase.
R The tyres ma ywear excessively and/or une venly, whic hmaygreatl yimp air tyr etraction.
R ‑The drivin gcharacteristics, steering and braking ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle. #
Obser vether ecommende dtyrep ressures. #
Adjus tthe tyr epressur eifn ecessar y. #
Stop thev ehicle, paying attention toroad and traf ficc onditions. #
Chec kthe tyr epressur eand thet yres. #
When thet yrep ressur eisc orrect, restar tt he tyr epressur eloss warning sy stem .
Check tyre pressures then
restar tRun Flat Indicator *T
he tyr epressur eloss warning sy stem generated adispl ay messa geand has no tbeen restar teds ince. #
When thet yrep ressur eisc orrect, restar tt he tyr epressur eloss warning sy stem .
Run Flat Indicator inopera-
tive *T
he tyr epressur eloss warning sy stem is malfunctioning. #
Consult aqualified specialis tworks hop. 444
Displaymessa gesa nd warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
h Rectify tyre pressure *T
he tyr epressur eist oo lo winatl eastone of thet yres, or thet yrep ressur ediffe re nce betwee nthe wheels is too
great. #
Chec kthe tyr epressur eand add air ,ifnecessar y. #
When thet yrep ressur eisc orrect, restar tt he tyr epressur emonitoring sy stem .
h
Check tyre(s) *T
he tyr epressur eino ne or mor etyres has dropped significantl y.The wheel position is displa yed. &
WARNING Risk of an accident du etoinsufficient tyr epressure
Ty resw ithi nsuf ficient tyr epressur eposet he following risks:
R The tyres ma yburst,e speciall yasthe load and vehicle speed increase.
R The tyres ma ywear excessively and/or une venly, whic hmaygreatl yimp air tyr etraction.
R ‑The drivin gcharacteristics, steering and braking ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle. #
Obser vether ecommende dtyrep ressures. #
Adjus tthe tyr epressur eifn ecessar y. #
Stop thev ehicle, paying attention toroad and traf ficc onditions. #
Chec kthe tyr epressur eand thet yres. Displa
ymessages and warning/indicator lamps 445

Displa
ymessages
Possible causes/consequences and M
MSolutions
h Warning tyre defect *T
he tyr epressur eino ne or mor etyres has dropped suddenly .The wheel position is displa yed. &
WARNING Risk of an accident from driving wi thaflat tyre
Flat tyres ar edangerous in thef ollowing ways:
R The tyres can overheat and cause afire.
R ‑The driving characteristics, steering and braking ma ybegreatl yimp aired.
Yo uc ouldthen lose control of thev ehicle. #
Do no tdrive wit haf lat tyre. #
Obser vethen otes on flat tyres. No
tesonf lat tyres (→ page365). #
Stop thev ehicle, paying attention toroad and traf ficc onditions. #
Chec kthe tyres.
Tyre press. monitor cur-
rently unavailable *N
osignals can be recei vedf romt he tyr epressur esensor sdue tostro ngradio signal source inter fere nce. The tyre
pressur emonitoring sy stem is temp oraril yunavailable. #
Driv eon.
The tyr epressur emonitoring sy stem restarts automaticall yassoon as thec ause has been rectified. 446
Displaymessa gesa nd warning/indicator lamps

Displa
ymessages
Possible causes/consequences and M
MSolutions
h Wheel sensor(s )missing *T
her eisnos ignal from thet yrep ressur esensor of one or mor ewheels. The pressur eofthe affected tyr eisnot
displ ayed. #
Have thef aulty tyr epressur esensor replaced at aqualified specialis tworks hop.
Tyre press. monitor inoper-
ative No wheel sensors *T
he wheels fitted do no thave suitable tyr epressur esensors. The tyr epressur emonitoring sy stem is deactivated. #
Fit wheels wit hsuitable tyr epressur esensors.
Tyre press. monitor inoper-
ative *T
he tyr epressur emonitoring sy stem is faulty. &
WARNING Thereisar isk of an accident if thet yrep ressur emonitoring sy stem is malfunctioning
If th et yrep ressur emonitoring sy stem is malfunctioning, it is no table toissue awarning if ther eisp ressure
loss in one or mor eofthe tyres.
Ty resw ithi nsuf ficient tyr epressur emay,for example, af fect thev ehicle's handling characteristics, steering and
braking. ‑ #
Have thet yrep ressur emonitoring sy stem checkedataq ualified specialis tworks hop. #
Consult aqualified specialis tworks hop. Displa
ymessages and warning/indicator lamps 447